I use aloe vera gel ocassionally on my skin and this helps sooth and calm my skin when needed. I have also tried a liquid aloe vera juice supplement. It helps my digestive system by making me more regular thus sweeping away more toxins which helps with the skin. It works a little but it was not a one shot step to prevent my acne.
Aloe vera does work. I use an aloe vera based soap, and the aloe gel from aloe life. It is called skin gel. I wear it overnight. It works like nothing else i have ever used.